The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 20, 1991
Filed:
Jan. 02, 1990
Applicant:
Inventors:
William A Gero, Pittsfield, MA (US);
Frank J Paskowski, Jr, Pittsfield, MA (US);
Assignee:
Beloit Corporation, Beloit, WI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21D / ;
U.S. Cl.
CPC ...
209273 ; 209305 ; 209397 ; 210413 ;
Abstract
An improved efficiency screen plate for screening pulp in a pressure screening apparatus is disclosed wherein various design parameters are established which increase screen performance, particularly in screening medium consistency pulp. The basket is formed of thin, sheet-like material formed without machining into an undulating pattern. Undulation frequencies, slot location, turbulence bar frequency, and turbulence bar height are established for increasing screen performance.